Digging tooth



FIG. 1 is a front, left side perspective view of a digging tooth showing our new design;

FIG. 2 is a right side elevational view thereof; and with the left side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front end elevational view thereof; and,

FIG. 6 is a rear end elevational view thereof. 

The ornamental design for a digging tooth, as shown and described. 